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Communication | Special issue | Vol 10, No. 1, 1978, pp.265-268
Published online, 1st January, 1970
DOI: 10.3987/S-1978-01-0265
Synthesis of Multicyclic Keto Lactams by the Photo-ring-expansion of N-(1-Adamantyl)succinimides

Masanao Terashima, Kazue Ohkura, Haruo Okajima and Yuichi Kanaoka*

*Faculty of Pharmaceutical Sciences, Hokkaido University, Kita 12 Nishi 6, Kita-ku, Sapporo, Hokkaido 060-0812, Japan

Abstract

Upon irradiation N-(1-adamantyl)succinimides with carbocyclic substituents on the imide ring undergo the ring-expansion reaction in fairly good yields affording various multicyclic keto lactam systems.